Present Perfect Tense

Rule Title
Present Perfect Tense
Category
Tenses
Rule Explanation

Used for actions completed at an unspecified time or actions with present relevance.

Structure

Subject + have/has + V3 (past participle)

Key Signals

just, already, yet, ever, never, since, for, recently.

Distinction: Since vs. For

  • Since: indicates a point of time (e.g., since 2020).
  • For: indicates a duration (e.g., for three years).
Correct Example
  • She has lived here since 2019.
  • I have already finished the exam.
  • Have you ever visited Pokhara?
Incorrect Example
  • She has lived here since three years. (use for with duration)
  • I have finished the exam yesterday. (specific past time needs simple past)

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